<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
        width:200px;
        height:200px;
        /* border-radius: 50%; */
        margin:10px auto;

        /* background:pink;
        background-image:
        linear-gradient(45deg,#bbb 25%,transparent 0),
        linear-gradient(45deg,transparent 75%,#bbb 0),
        linear-gradient(45deg,#bbb 25%,transparent 0),
        linear-gradient(45deg,transparent 75%,#bbb 0);
        background-position:
        0 0,15px 15px,
        15px 15px,30px 30px;
                                           
        background-size: 30px 30px; */


        background:repeating-conic-gradient(#bbb 0 ,#bbb 25%,#eee 0,#eee 50%);

        }
    </style>
</head>
<body>
    <div class="box">

    </div>
</body>
</html>